Engel, R.J. SCHUTT, Russell K. The Practice of research in social work / [by] Refael J.Engel - 2nd ed. - Los Angeles Sage Pub. 2009 - xxii, 583 p.+CD ISBN: 9781412968911 Subjects--Topical Terms: Social service Dewey Class. No.: 361.3072 / ENG